| article html file updated | 30 August 2025 21:18 CEST | Update | https://www.mdpi.com/2075-4701/9/6/691 |
| article html file updated | 20 July 2022 15:24 CEST | Update | - |
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| article html file updated | 22 October 2019 02:13 CEST | Update | - |
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| article html file updated | 18 June 2019 12:27 CEST | Original file | - |
| article pdf uploaded. | 18 June 2019 12:25 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/6/691/pdf |
| article xml uploaded. | 18 June 2019 12:25 CEST | Update | https://www.mdpi.com/2075-4701/9/6/691/xml |
| article xml file uploaded | 18 June 2019 12:25 CEST | Original file | - |
